超级电容器
纳米颗粒
钙钛矿(结构)
材料科学
氧化物
析氧
氧气
复合材料
化学工程
纳米技术
化学
电化学
冶金
电极
工程类
物理化学
有机化学
作者
Zulfqar Ali Sheikh,Dhanasekaran Vikraman,Honggyun Kim,Sikandar Aftab,Shoyebmohamad F. Shaikh,Faisal Shahzad,Jongwan Jung,Hyun‐Seok Kim,Sajjad Hussain,Deok‐kee Kim
标识
DOI:10.1016/j.est.2023.110342
摘要
In this report, perovskite oxide-MnFeO3 nanoparticles embedded MXene sheets were prepared by hydrothermal approach for the effective water splitting and energy stowage uses. The prepared MXene@MnFeO3 hybrid nanocomposites exhibited outstanding 1077 F/g specific capacitance at a current density of 1 A g−1 and excellent cycling solidity (capacitance retention after the 3000 cycle is 96.5 %). In addition, an asymmetric capacitor delivered a ultimate specific energy of 114 Wh/kg at a specific power of 2117 W/kg. MXene@MnFeO3 hybrid catalyst required a credible overpotential of 235 mV to achieve the 10 mA cm−2 current density, along with the small Tafel slope of 41 mV dec−1 for OER in 1 M KOH and long-span 24 h stability. Our proposed strategy of perovskite oxide nanoparticles hybridized highly conductive MXene sheets would be suitable alternative as the potential electrode materials for the efficient energy storage/conversion application.
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